deltaG® is the revolutionary Oxford Ketone Ester, maximizing Ketone levels in the blood and providing a powerful fuel source that augments physical performance, sharpens mental acuity, and supports your metabolic health. In 1993, the Oxford and NIH research groups started collaborating on endogenous ketone projects. Ten years later, they proposed to invent an exogenous ketone food group for DARPA: an invention that took many years of research and many meetings with the FDA. Fully Compliant and registered with World Anti Doping Agency (WADA), BSCG, and FDA GRAS Approved.